제출 #529189

#제출 시각아이디문제언어결과실행 시간메모리
529189Icebear16DNA 돌연변이 (IOI21_dna)C++17
43 / 100
1582 ms3764 KiB
#include "dna.h"
int n,q;
std::string s;
std::string c;
void init(std::string a, std::string b) {
	s=a,c=b;
	while(q--){
    	int x,y;
		get_distance(x,y);
	}
}
int get_distance(int x, int y) {
	int h1=0,h2=0,l1=0,l2=0,k1=0,k2=0;
	for(int i=x;i<=y;i++){
		if(s[i]=='A'){
			h1++;
		}else if(s[i]=='T'){
			l1++;
		}else if(s[i]=='C'){
			k1++;
		}
		if(c[i]=='A'){
			h2++;
		}else if(c[i]=='T'){
			l2++;
		}else if(c[i]=='C'){
			k2++;
		}
	}
	if(h1==h2 && l1==l2 && k1==k2){
		int j=0;
		for(int i=x;i<=y;i++){
			if(s[i]!=c[i]){
				j+=1;
			}
		}
		if(j%2==1){
			j+=1;
		}
		return j/2;
	}else{
		return -1;
	}
}
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